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Black over-ear headphones with adjustable headband, foldable design and gold L-shaped plug

Sony

Sony MDRZX11NC headphone black noise cancelling

SKU CH-DWD5-KK43K

Closed-back dynamic headphones with active noise cancellation and up to 80 hours of battery life

  • Driver size50MM
  • Frequency range10–22,000 Hz
  • Impedance220 O at 1 kHz (when the power is on)
  • Signal-to-noise ratioApprox. 13 dB2)
  • Audio sensitivity115 dB/mW (when the power is on) 110 dB/mW (when the power i
  • ConnectionThree-conductor gold plated L-shaped stereo mini plug
  • Noise cancellation reduces ambient sound by 95% using built-in microphones
  • 80 hours of playback from a single AAA battery
  • 30 mm neodymium drivers cover 10–22,000 Hz frequency range
  • Lightweight 150 g foldable design with adjustable headband
  • Gold-plated L-shaped plug and 1.2 m OFC Litz cable included

Lightweight Over-Ear Headphones

Weighing 150 g including the battery, these closed-back dynamic headphones use a 50 mm driver and a feed-forward noise-cancelling circuit that reduces ambient sound by up to 95 percent. A single AAA alkaline cell powers up to 80 hours of continuous playback, and the foldable design with adjustable headband makes them easy to carry for daily commuting or travel.

Suited For Listeners Who Want Wired Noise

The passive mode works without power, so music continues even when the battery runs flat, but the noise-cancelling function is effective mainly in low-frequency ranges and less so for higher frequencies. Buyers who need wireless freedom, active transparency modes or high-frequency isolation should consider other form factors.

50 mm Dynamic Driver With 10–22,000 Hz Response

The driver unit measures 50 mm and delivers a stated frequency response of 10–22,000 Hz. Impedance is 220 Ohm with noise cancellation active and 45 Ohm when off, while sensitivity reaches 115 dB/mW powered and 110 dB/mW unpowered, determining how loudly the headphones play from a given source.

How it compares

Measured against everything we stock in Earbuds & Over-Ear Headphones, at today’s prices. Recalculated every night.

Price $29.99
Pricier than about 55% of the 7,078 comparable items (median $25.99).

Specifications

Product
Brand nameSONY
Model nameMDRZX11NC
Product typeDynamic, closed
Product colorBlack
Audio & video
Driver size50MM
Frequency range10–22,000 Hz
Impedance220 O at 1 kHz (when the power is on)
Signal-to-noise ratioApprox. 13 dB2)
Audio sensitivity115 dB/mW (when the power is on) 110 dB/mW (when the power is off)
Noise cancellationThe noise canceling circuit actually senses outside noise with built-in microphones and sends an equal-but-opposite canceling signal to the headphones
Ports & slots
ConnectionThree-conductor gold plated L-shaped stereo mini plug
Power
Battery pack(size AAA) battery
Size & build
Cord lengthApprox. 1.2 m (47 1 /4 in), OFC Litz wire
Product weight150 g (5.3 oz) including battery, not including cable
Compatibility
Compatible withUniversal
In the box
In the boxHeadphones (1) Plug adaptor for in-flight use5) (1) Sony R03 (SIZE AAA) battery (1) Operating Instructions (1) Warranty card (USA) (1) Warranty card (Canada) (1)

Questions about this item

What does the 10–22,000 Hz frequency range mean for everyday listening?

The range covers deep bass down to 10 Hz and treble up to 22,000 Hz, so music and speech sound full across the audible spectrum.

How does the 1.2 m OFC Litz cable with its three-conductor gold-plated L-shaped mini plug affect use?

The 1.2 m oxygen-free copper cord resists corrosion and tangles; the L-shaped plug fits tight sockets without straining the jack.

What physical space and power do the headphones need to operate?

They fold flat for storage, weigh 150 g with the included AAA battery, and the adjustable headband fits most head sizes.

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